1756-L72S Allen-Bradley | Rockwell Automation ControlLogix PAC

Description

Allen-Bradley 1756-L72S GuardLogix Controller

Powerful Safety Control For Your Machines

The Allen-Bradley 1756-L72S is a top-level safety controller. It is part of the GuardLogix 5570 series. This 1756-L72S controller handles both standard and safety jobs in one unit. It works with a safety partner module (1756-L7SP) for the highest safety level (SIL 3). Perfect for large, complex machines that need strong protection.

Detailed Technical Data

• Brand: Allen-Bradley / Rockwell Automation
• Model: 1756-L72S GuardLogix Controller
• Series: ControlLogix 5570
• Module Type: Programmable Safety Controller (PAC)
• User Memory: 4 Megabytes
• Safety Memory: 2 Megabytes
• I/O Memory: 0.98 Megabytes
• Non-Volatile Memory: 1 GB (SD Card Included)
  Max Total I/O: 128,000 points
  Max Analog I/O: 4,000 points
  Power Use: 2.5 Watts
  5.1V DC Current: 800 mA
  Communication: 1x USB Port, EtherNet/IP, ControlNet, DeviceNet
  Safety Rating: SIL 3, Category 4, Performance Level e (PLe)

Installation & Compatibility

Fits in any slot of a standard ControlLogix chassis (like 1756-A4, A7, A10). Works with standard Allen-Bradley power supplies. The safety partner module (1756-L7SP) is required for safety functions. All setup is done through one software project.

What’s In The Box & Warranty

You will receive: One (1) 1756-L72S Controller and One (1) 1GB SD Card. This product is covered by a solid 12-month warranty. We ship quickly worldwide using FedEx, UPS, and DHL.

Frequently Asked Questions

• Q: Does the 1756-L72S need a battery?
  A: No. It uses a new type of energy storage module, so no battery is needed.
• Q: Can I put multiple controllers in one chassis?
  A: Yes, you can install several controllers in the same ControlLogix chassis.
• Q: What networks can it use for safety?
  A: It uses EtherNet/IP, ControlNet, and DeviceNet for safe communication.
• Q: How many tasks can it run?
  A: It can run up to 31 standard tasks and 1 dedicated safety task.
• Q: Is the SD card necessary for operation?
  A: No, the included 1GB SD card is for extra, non-volatile storage and is optional.

Get Your Manual & Learn More

Want all the details? Download the full manual for complete information on:

• Wiring diagrams
• Full specifications
• Programming guidelines
• Installation instructions

Click Here to Download the Full Datasheet Now